<template>
  <div class="app-container">
    <el-form
      :model="queryParams"
      ref="queryRef"
      :inline="true"
      v-show="showSearch"
      label-width="68px"
    >
      <el-form-item label="菜品名称" prop="name">
        <el-input
          v-model="queryParams.name"
          placeholder="请输入菜品名称"
          clearable
          @keyup.enter="handleQuery"
        />
      </el-form-item>
      <el-form-item label="售卖状态" prop="status">
        <el-select
          v-model="queryParams.status"
          placeholder="请选择售卖状态"
          clearable
        >
          <el-option
            v-for="dict in dish_status"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value"
          />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="Search" @click="handleQuery"
          >搜索</el-button
        >
        <el-button icon="Refresh" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="Plus"
          @click="handleAdd"
          v-hasPermi="['merchant:dish:add']"
          >新增</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="Edit"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['merchant:dish:edit']"
          >修改</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="Delete"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['merchant:dish:remove']"
          >删除</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="Download"
          @click="handleExport"
          v-hasPermi="['merchant:dish:export']"
          >导出</el-button
        >
      </el-col>
      <right-toolbar
        v-model:showSearch="showSearch"
        @queryTable="getList"
      ></right-toolbar>
    </el-row>

    <el-table
      v-loading="loading"
      :data="dishList"
      @selection-change="handleSelectionChange"
    >
      <el-table-column type="selection" width="55" align="center" />
      <!-- <el-table-column label="主键" align="center" prop="id" /> -->
      <el-table-column label="菜品名称" align="center" prop="name" />
      <el-table-column label="售价" align="center" prop="price">
        <template #default="scope">
          <div>￥{{ scope.row.price }}</div>
        </template>
      </el-table-column>
      <el-table-column label="图片" align="center" prop="image" width="100">
        <template #default="scope">
          <image-preview :src="scope.row.image" :width="50" :height="50" />
        </template>
      </el-table-column>
      <el-table-column label="售卖状态" align="center" prop="status">
        <template #default="scope">
          <dict-tag :options="dish_status" :value="scope.row.status" />
        </template>
      </el-table-column>
      <el-table-column
        label="更新时间"
        align="center"
        prop="updateTime"
        width="180"
      >
        <template #default="scope">
          <span>{{
            parseTime(scope.row.updateTime, "{y}-{m}-{d} {h}:{i}:{s} ")
          }}</span>
        </template>
      </el-table-column>
      <el-table-column
        label="操作"
        align="center"
        class-name="small-padding fixed-width"
      >
        <template #default="scope">
          <el-button
            link
            type="primary"
            icon="Edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['merchant:dish:edit']"
            >修改</el-button
          >
          <el-button
            link
            type="primary"
            icon="Delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['merchant:dish:remove']"
            >删除</el-button
          >
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total > 0"
      :total="total"
      v-model:page="queryParams.pageNum"
      v-model:limit="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改菜品管理对话框 -->
    <el-dialog :title="title" v-model="open" width="600px" append-to-body>
      <el-form ref="dishRef" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="菜品名称" prop="name">
          <el-input v-model="form.name" placeholder="请输入菜品名称" />
        </el-form-item>
        <el-form-item label="售价" prop="price">
          <el-input v-model="form.price" placeholder="请输入售价" />
        </el-form-item>
        <el-form-item label="图片" prop="image">
          <image-upload v-model="form.image" />
        </el-form-item>
        <el-form-item label="描述信息" prop="description">
          <el-input v-model="form.description" placeholder="请输入描述信息" />
        </el-form-item>
        <el-form-item label="售卖状态" prop="status">
          <el-select v-model="form.status" placeholder="请选择售卖状态">
            <el-option
              v-for="dict in dish_status"
              :key="dict.value"
              :label="dict.label"
              :value="parseInt(dict.value)"
            ></el-option>
          </el-select>
        </el-form-item>
        <el-divider content-position="center">菜品口味关系信息</el-divider>
        <el-row :gutter="10" class="mb8">
          <el-col :span="1.5">
            <el-button type="primary" icon="Plus" @click="handleAddDishFlavor"
              >添加</el-button
            >
          </el-col>
          <el-col :span="1.5">
            <el-button
              type="danger"
              icon="Delete"
              @click="handleDeleteDishFlavor"
              >删除</el-button
            >
          </el-col>
        </el-row>
        <el-table
          :data="dishFlavorList"
          :row-class-name="rowDishFlavorIndex"
          @selection-change="handleDishFlavorSelectionChange"
          ref="dishFlavor"
        >
          <el-table-column type="selection" width="50" align="center" />
          <el-table-column
            label="序号"
            align="center"
            prop="index"
            width="50"
          />
          <el-table-column label="口味名称" prop="name" width="150">
            <template #default="scope">
              <!-- <el-input v-model="scope.row.name" placeholder="请输入口味名称" /> -->
              <el-select
                v-model="scope.row.name"
                placeholder="请选择口味名称"
                @change="changeFlavorName(scope.row)"
              >
                <el-option
                  v-for="dishFlavor in dishFlavorListSelect"
                  :key="dishFlavor.name"
                  :lable="dishFlavor.name"
                  :value="dishFlavor.name"
                />
              </el-select>
            </template>
          </el-table-column>
          <el-table-column label="口味列表" prop="value" width="350">
            <template #default="scope">
              <!-- <el-input v-model="scope.row.value" placeholder="请输入口味列表" /> -->
              <el-select
                style="width: 90%"
                v-model="scope.row.value"
                placeholder="请选择口味列表"
                multiple
                @focus="focusFlavorName(scope.row)"
              >
                <el-option
                  v-for="value in checkValueList"
                  :key="value"
                  :lable="value"
                  :value="value"
                />
              </el-select>
            </template>
          </el-table-column>
        </el-table>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>

<script setup name="Dish">
import {
  listDish,
  getDish,
  delDish,
  addDish,
  updateDish,
} from "@/api/merchant/dish";

const { proxy } = getCurrentInstance();
const { dish_status } = proxy.useDict("dish_status");

const dishList = ref([]);
const dishFlavorList = ref([]);
const open = ref(false);
const loading = ref(true);
const showSearch = ref(true);
const ids = ref([]);
const checkedDishFlavor = ref([]);
const single = ref(true);
const multiple = ref(true);
const total = ref(0);
const title = ref("");

const data = reactive({
  form: {},
  queryParams: {
    pageNum: 1,
    pageSize: 10,
    name: null,
    status: null,
  },
  rules: {
    name: [{ required: true, message: "菜品名称不能为空", trigger: "blur" }],
    price: [{ required: true, message: "售价不能为空", trigger: "blur" }],
    image: [{ required: true, message: "图片不能为空", trigger: "blur" }],
    status: [
      { required: true, message: "售卖状态不能为空", trigger: "change" },
    ],
  },
});

const { queryParams, form, rules } = toRefs(data);

import { ref } from "vue";
// ------------------------------
// 定义口味 名称和口味列表静态数据
const dishFlavorListSelect = ref([
  { name: "辣度", value: ["不辣", "微辣", "中辣", "重辣"] },
  { name: "忌口", value: ["不要葱", "不要蒜", "不要香菜"] },
  { name: "甜味", value: ["全糖", "半糖", "少糖"] },
]);
// 存储当前选中数据口味列表数组
const checkValueList = ref([]);
function changeFlavorName(row) {
  // 根据选中name去查找静态数据当中的数据
  row.value = [];
  checkValueList.value = dishFlavorListSelect.value.find(
    (item) => item.name == row.name
  ).value;
}
// 定义口味列表获取焦点更新当前选中的口味数据
function focusFlavorName(row) {
  // 根据选中name去查找静态数据当中的数据
  checkValueList.value = dishFlavorListSelect.value.find(
    (item) => item.name == row.name
  ).value;
}
// ------------------------------
/** 查询菜品管理列表 */
function getList() {
  loading.value = true;
  listDish(queryParams.value).then((response) => {
    dishList.value = response.rows;
    total.value = response.total;
    loading.value = false;
  });
}

// 取消按钮
function cancel() {
  open.value = false;
  reset();
}

// 表单重置
function reset() {
  form.value = {
    id: null,
    name: null,
    price: null,
    image: null,
    description: null,
    status: null,
    createTime: null,
    updateTime: null,
  };
  dishFlavorList.value = [];
  proxy.resetForm("dishRef");
}

/** 搜索按钮操作 */
function handleQuery() {
  queryParams.value.pageNum = 1;
  getList();
}

/** 重置按钮操作 */
function resetQuery() {
  proxy.resetForm("queryRef");
  handleQuery();
}

// 多选框选中数据
function handleSelectionChange(selection) {
  ids.value = selection.map((item) => item.id);
  single.value = selection.length != 1;
  multiple.value = !selection.length;
}

/** 新增按钮操作 */
function handleAdd() {
  reset();
  open.value = true;
  title.value = "添加菜品管理";
}

/** 修改按钮操作 */
function handleUpdate(row) {
  reset();
  const _id = row.id || ids.value;
  getDish(_id).then((response) => {
    form.value = response.data;
    dishFlavorList.value = response.data.dishFlavorList;
    //进行非空判断
    if (dishFlavorList.value != null) {
      //将口味列表value字符串转为JSON数组
      dishFlavorList.value.forEach((item) => {
        item.value = JSON.parse(item.value);
      });
    }
    open.value = true;
    title.value = "修改菜品管理";
  });
}

/** 提交按钮 */
function submitForm() {
  proxy.$refs["dishRef"].validate((valid) => {
    if (valid) {
      form.value.dishFlavorList = dishFlavorList.value;

      //进行非空判断
      if (form.value.dishFlavorList != null) {
        //将口味列表中的value通过JSON工具类转为字符串
        form.value.dishFlavorList.forEach((element) => {
          element.value = JSON.stringify(element.value);
        });
      }

      if (form.value.id != null) {
        updateDish(form.value).then((response) => {
          proxy.$modal.msgSuccess("修改成功");
          open.value = false;
          getList();
        });
      } else {
        addDish(form.value).then((response) => {
          proxy.$modal.msgSuccess("新增成功");
          open.value = false;
          getList();
        });
      }
    }
  });
}

/** 删除按钮操作 */
function handleDelete(row) {
  const _ids = row.id || ids.value;
  proxy.$modal
    .confirm('是否确认删除菜品管理编号为"' + _ids + '"的数据项？')
    .then(function () {
      return delDish(_ids);
    })
    .then(() => {
      getList();
      proxy.$modal.msgSuccess("删除成功");
    })
    .catch(() => {});
}

/** 菜品口味关系序号 */
function rowDishFlavorIndex({ row, rowIndex }) {
  row.index = rowIndex + 1;
}

/** 菜品口味关系添加按钮操作 */
function handleAddDishFlavor() {
  let obj = {};
  obj.name = "";
  obj.value = "";
  dishFlavorList.value.push(obj);
}

/** 菜品口味关系删除按钮操作 */
function handleDeleteDishFlavor() {
  if (checkedDishFlavor.value.length == 0) {
    proxy.$modal.msgError("请先选择要删除的菜品口味关系数据");
  } else {
    const dishFlavors = dishFlavorList.value;
    const checkedDishFlavors = checkedDishFlavor.value;
    dishFlavorList.value = dishFlavors.filter(function (item) {
      return checkedDishFlavors.indexOf(item.index) == -1;
    });
  }
}

/** 复选框选中数据 */
function handleDishFlavorSelectionChange(selection) {
  checkedDishFlavor.value = selection.map((item) => item.index);
}

/** 导出按钮操作 */
function handleExport() {
  proxy.download(
    "merchant/dish/export",
    {
      ...queryParams.value,
    },
    `dish_${new Date().getTime()}.xlsx`
  );
}

getList();
</script>
